JP2015091945A - Coating for light foam concrete, light foam concrete structure and production method and coating method for light foam concrete structure - Google Patents
Coating for light foam concrete, light foam concrete structure and production method and coating method for light foam concrete structure Download PDFInfo
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- JP2015091945A JP2015091945A JP2014201479A JP2014201479A JP2015091945A JP 2015091945 A JP2015091945 A JP 2015091945A JP 2014201479 A JP2014201479 A JP 2014201479A JP 2014201479 A JP2014201479 A JP 2014201479A JP 2015091945 A JP2015091945 A JP 2015091945A
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- 239000011381 foam concrete Substances 0.000 title claims abstract description 120
- 238000000576 coating method Methods 0.000 title claims abstract description 60
- 239000011248 coating agent Substances 0.000 title claims abstract description 51
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 229920000642 polymer Polymers 0.000 claims abstract description 55
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000003973 paint Substances 0.000 claims description 181
- 239000002245 particle Substances 0.000 claims description 91
- 239000000049 pigment Substances 0.000 claims description 37
- 239000000463 material Substances 0.000 claims description 28
- 239000004606 Fillers/Extenders Substances 0.000 claims description 15
- 238000010422 painting Methods 0.000 claims description 13
- 238000004040 coloring Methods 0.000 abstract description 4
- 239000000839 emulsion Substances 0.000 description 56
- 239000000203 mixture Substances 0.000 description 32
- 229920003002 synthetic resin Polymers 0.000 description 21
- 239000000057 synthetic resin Substances 0.000 description 21
- 239000003349 gelling agent Substances 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 239000002585 base Substances 0.000 description 14
- 238000003756 stirring Methods 0.000 description 13
- 239000003086 colorant Substances 0.000 description 12
- 239000008187 granular material Substances 0.000 description 12
- 229920001296 polysiloxane Polymers 0.000 description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 239000004925 Acrylic resin Substances 0.000 description 9
- 229920000178 Acrylic resin Polymers 0.000 description 9
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 9
- 239000012736 aqueous medium Substances 0.000 description 9
- 239000000499 gel Substances 0.000 description 9
- 229920005989 resin Polymers 0.000 description 9
- 239000011347 resin Substances 0.000 description 9
- 238000007789 sealing Methods 0.000 description 9
- 238000002156 mixing Methods 0.000 description 8
- 239000000178 monomer Substances 0.000 description 8
- 239000011148 porous material Substances 0.000 description 7
- 150000003752 zinc compounds Chemical class 0.000 description 7
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- 239000000654 additive Substances 0.000 description 6
- 239000002518 antifoaming agent Substances 0.000 description 6
- -1 pigment red Chemical compound 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 239000007921 spray Substances 0.000 description 6
- 235000011114 ammonium hydroxide Nutrition 0.000 description 5
- 239000002562 thickening agent Substances 0.000 description 5
- 239000012463 white pigment Substances 0.000 description 5
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- NRCMAYZCPIVABH-UHFFFAOYSA-N Quinacridone Chemical class N1C2=CC=CC=C2C(=O)C2=C1C=C1C(=O)C3=CC=CC=C3NC1=C2 NRCMAYZCPIVABH-UHFFFAOYSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 239000008199 coating composition Substances 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 4
- 239000002270 dispersing agent Substances 0.000 description 4
- 239000007863 gel particle Substances 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 3
- 241000255969 Pieris brassicae Species 0.000 description 3
- 125000002947 alkylene group Chemical group 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000003750 conditioning effect Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000010907 mechanical stirring Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000005995 Aluminium silicate Substances 0.000 description 2
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 235000012211 aluminium silicate Nutrition 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000000987 azo dye Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 235000019646 color tone Nutrition 0.000 description 2
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 2
- 239000002736 nonionic surfactant Substances 0.000 description 2
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 2
- 239000001007 phthalocyanine dye Substances 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 239000001044 red dye Substances 0.000 description 2
- 238000007761 roller coating Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000000454 talc Substances 0.000 description 2
- 229910052623 talc Inorganic materials 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- WDQMWEYDKDCEHT-UHFFFAOYSA-N 2-ethylhexyl 2-methylprop-2-enoate Chemical compound CCCCC(CC)COC(=O)C(C)=C WDQMWEYDKDCEHT-UHFFFAOYSA-N 0.000 description 1
- RUMACXVDVNRZJZ-UHFFFAOYSA-N 2-methylpropyl 2-methylprop-2-enoate Chemical compound CC(C)COC(=O)C(C)=C RUMACXVDVNRZJZ-UHFFFAOYSA-N 0.000 description 1
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 description 1
- GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 1
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- NSEQHAPSDIEVCD-UHFFFAOYSA-N N.[Zn+2] Chemical compound N.[Zn+2] NSEQHAPSDIEVCD-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229910020175 SiOH Inorganic materials 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 150000005215 alkyl ethers Chemical class 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- OIWOHHBRDFKZNC-UHFFFAOYSA-N cyclohexyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC1CCCCC1 OIWOHHBRDFKZNC-UHFFFAOYSA-N 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- GMSCBRSQMRDRCD-UHFFFAOYSA-N dodecyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCCCOC(=O)C(C)=C GMSCBRSQMRDRCD-UHFFFAOYSA-N 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- RLJMLMKIBZAXJO-UHFFFAOYSA-N lead nitrate Chemical compound [O-][N+](=O)O[Pb]O[N+]([O-])=O RLJMLMKIBZAXJO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 235000010981 methylcellulose Nutrition 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- HMZGPNHSPWNGEP-UHFFFAOYSA-N octadecyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)C(C)=C HMZGPNHSPWNGEP-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002432 poly(vinyl methyl ether) polymer Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- UGZADUVQMDAIAO-UHFFFAOYSA-L zinc hydroxide Chemical compound [OH-].[OH-].[Zn+2] UGZADUVQMDAIAO-UHFFFAOYSA-L 0.000 description 1
- 229940007718 zinc hydroxide Drugs 0.000 description 1
- 229910021511 zinc hydroxide Inorganic materials 0.000 description 1
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
- Paints Or Removers (AREA)
- Panels For Use In Building Construction (AREA)
Abstract
Description
本発明は、軽量気泡コンクリート用塗料、並びに軽量気泡コンクリート構造体、軽量気泡コンクリート構造体の製造方法及び塗装方法に関する。 The present invention relates to a lightweight cellular concrete paint, a lightweight cellular concrete structure, a method for producing a lightweight cellular concrete structure, and a coating method.
軽量気泡コンクリートは、一般に珪石や珪砂を主成分とする珪酸質原料及び石灰質原料に、水と発泡剤とを添加したスラリーを発泡及び半硬化させ、得られる半硬化体を例えばオートクレーブにて高温高圧水蒸気養生を行うことによって製造される。 Lightweight cellular concrete is generally a siliceous raw material mainly composed of silica stone or silica sand and calcareous raw material, and a slurry obtained by adding water and a foaming agent is foamed and semi-cured. Manufactured by performing steam curing.
このようにして製造される軽量気泡コンクリートは、内部に気泡と細孔を含むため、非常に軽量でありながら、高い耐火性及び断熱性を備え、強度も比較的高いなど優れた性能を有する。このため、軽量気泡コンクリートは、例えば建築物用外壁材などに用いられている。 The lightweight cellular concrete produced in this way contains bubbles and pores inside, and thus has excellent performance such as high light resistance and heat insulation and relatively high strength while being very lightweight. For this reason, the lightweight cellular concrete is used for the outer wall material for buildings, for example.
ここで、軽量気泡コンクリートが建築物用外壁材として用いられる場合には、防水性や意匠性などを付与する観点から、塗料などで表面仕上げを行う必要がある。特許文献１には、軽量気泡コンクリートパネルの表面に下地塗料材を塗着し、その上表面に建築仕上げ塗料材として主材塗料材及び上塗り塗料材を順に積層して構成された表面加工パネルが記載されている。 Here, when lightweight cellular concrete is used as a building outer wall material, it is necessary to finish the surface with a paint or the like from the viewpoint of imparting waterproofness and designability. Patent Document 1 discloses a surface-treated panel formed by applying a base coating material on the surface of a lightweight cellular concrete panel and sequentially laminating a main coating material and a top coating material as an architectural finishing coating material on the upper surface. Have been described.
上記特許文献１においては、軽量気泡コンクリートパネルを塗装する際には、下地塗料材、主材塗料材及び上塗り塗料材を順に塗布しており、少なくとも３回の塗布工程が必要であるが、このような塗装では施工時間が長くなってしまうという問題があった。 In the above-mentioned Patent Document 1, when a lightweight cellular concrete panel is applied, a base coating material, a main coating material, and a top coating material are sequentially applied, and at least three coating steps are required. Such painting has a problem that the construction time becomes long.
また、近年は、下地塗料材と乾式の装飾チップを混入させた上塗り塗料材を用いて２工程で塗布された軽量気泡コンクリートパネルが開発されている。しかしながら、図４にも示すように、このような軽量気泡コンクリートパネルは、多彩感などの意匠性に改善の余地が見られた。さらに、当該軽量気泡コンクリートパネルにおいては、上塗り塗料材を塗布した後にローラー押え工程が必要であり、手間がかかるという問題があった。加えて、乾式の装飾チップは大きさに制限があるため、塗料の隠蔽率が低いという問題もあった。 In recent years, lightweight cellular concrete panels have been developed that are applied in two steps using a top coating material mixed with a base coating material and a dry decorative chip. However, as shown in FIG. 4, such lightweight cellular concrete panels have room for improvement in design such as versatility. Furthermore, the lightweight cellular concrete panel has a problem in that a roller pressing process is required after applying the top coating material, which is troublesome. In addition, there is a problem that the concealment rate of the paint is low because the size of the dry decorative chip is limited.
本発明は、２回の塗布工程で隠蔽率に優れた軽量気泡コンクリート用塗料を提供することを目的とする。また、本発明は、２回の塗布工程で軽量気泡コンクリートへの意匠性の付与が十分にでき、隠蔽率にも優れた軽量気泡コンクリート用塗料を提供することを目的とする。また、本発明は、多彩感などの意匠性に優れた軽量気泡コンクリート構造体、軽量気泡コンクリート構造体の製造方法及び塗装方法を提供することを目的とする。 An object of this invention is to provide the coating material for lightweight cellular concrete which was excellent in the concealment rate by two application processes. Another object of the present invention is to provide a coating material for lightweight cellular concrete which can sufficiently impart design properties to the lightweight cellular concrete in two coating steps and has an excellent concealment rate. Another object of the present invention is to provide a lightweight cellular concrete structure excellent in design properties such as versatility, a method for producing a lightweight cellular concrete structure, and a coating method.
本発明は、以下の［１］〜［１１］に関する。
［１］第１の塗料及び第２の塗料を備える軽量気泡コンクリート用塗料であって、第１の塗料が下地塗料を含み、第２の塗料が着色高分子粒体を含有し、第２の塗料の隠蔽率が８０％以上である、軽量気泡コンクリート用塗料。
［２］第１の塗料及び第２の塗料を備える軽量気泡コンクリート用塗料であって、第１の塗料が下地塗料を含み、第２の塗料が少なくとも２種の着色高分子粒体を含有する多彩模様塗料を含み、第２の塗料の隠蔽率が８０％以上である、軽量気泡コンクリート用塗料。
［３］少なくとも２種の着色高分子粒体は、粒径が４ｍｍ未満の第１の着色高分子粒体と、粒径が４ｍｍ以上の第２の着色高分子粒体と、を含む、［２］の軽量気泡コンクリート用塗料。
［４］第１の塗料における体質顔料の含有率が、３０質量％を超えて７０質量％未満である、［１］〜［３］のいずれかの軽量気泡コンクリート用塗料。
［５］第１の塗料における着色顔料の含有率が０．１質量％以上１５質量％未満である、［１］〜［４］のいずれかの軽量気泡コンクリート用塗料。
［６］軽量気泡コンクリートと、第１の塗料によって軽量気泡コンクリートの表面上に形成された第１の層と、第２の塗料によって第１の層の表面上に形成された第２の層と、を備え、第１の塗料が下地塗料を含み、第２の塗料が少なくとも２種の着色高分子粒体を含有する多彩模様塗料を含む、軽量気泡コンクリート構造体。
［７］第２の塗料の隠蔽率が８０％以上である、［６］記載の軽量気泡コンクリート構造体。
［８］軽量気泡コンクリート、第１の層及び第２の層を備える軽量気泡コンクリート構造体の製造方法であって、軽量気泡コンクリートの表面上に、第１の塗料を塗布し、第１の層を形成する第１の工程と、第１の層の表面上に、第２の塗料を塗布し、第２の層を形成する第２の工程と、を備え、第１の塗料が下地塗料を含み、第２の塗料が少なくとも２種の着色高分子粒体を含有する多彩模様塗料を含む、軽量気泡コンクリート構造体の製造方法。
［９］第２の塗料の隠蔽率が８０％以上である、［８］記載の軽量気泡コンクリート構造体の製造方法。
［１０］軽量気泡コンクリートを塗装する塗装方法であって、軽量気泡コンクリートの表面上に、第１の塗料を塗布する工程と、第１の塗料により形成された第１の層の表面上に、第２の塗料を塗布する工程と、を備え、第１の塗料が下地塗料を含み、第２の塗料が少なくとも２種の着色高分子粒体を含有する多彩模様塗料を含む、軽量気泡コンクリートの塗装方法。
［１１］第２の塗料の隠蔽率が８０％以上である、［１０］記載の軽量気泡コンクリートの塗装方法。
The present invention relates to the following [1] to [11].
[1] A lightweight cellular concrete paint including a first paint and a second paint, wherein the first paint contains a base paint, the second paint contains colored polymer particles, A lightweight cellular concrete paint having a paint concealment ratio of 80% or more.
[2] A lightweight cellular concrete paint provided with a first paint and a second paint, wherein the first paint contains a base paint and the second paint contains at least two kinds of colored polymer particles. A lightweight cellular concrete paint comprising a multi-color paint and having a second paint concealment ratio of 80% or more.
[3] The at least two kinds of colored polymer particles include a first colored polymer particle having a particle size of less than 4 mm and a second colored polymer particle having a particle size of 4 mm or more. 2] Lightweight cellular concrete paint.
[4] The lightweight cellular concrete paint according to any one of [1] to [3], wherein the content of the extender pigment in the first paint is more than 30% by mass and less than 70% by mass.
[5] The lightweight cellular concrete paint according to any one of [1] to [4], wherein the content of the color pigment in the first paint is 0.1% by mass or more and less than 15% by mass.
[6] Lightweight cellular concrete, a first layer formed on the surface of the lightweight cellular concrete by the first paint, and a second layer formed on the surface of the first layer by the second paint A lightweight cellular concrete structure, wherein the first paint includes a base paint, and the second paint includes a multicolored paint containing at least two kinds of colored polymer particles.
[7] The lightweight cellular concrete structure according to [6], wherein the concealment ratio of the second paint is 80% or more.
[8] A method for producing a lightweight cellular concrete structure comprising a lightweight cellular concrete, a first layer, and a second layer, wherein a first paint is applied to the surface of the lightweight cellular concrete, and the first layer And a second step of applying a second paint on the surface of the first layer to form a second layer, wherein the first paint is a base paint. A method for producing a lightweight cellular concrete structure, wherein the second paint comprises a multicolored paint containing at least two kinds of colored polymer particles.
[9] The method for producing a lightweight cellular concrete structure according to [8], wherein the concealment ratio of the second paint is 80% or more.
[10] A coating method for coating lightweight cellular concrete, the step of applying a first paint on the surface of lightweight cellular concrete, and the surface of the first layer formed by the first paint, Applying a second paint, wherein the first paint comprises a base paint, and the second paint comprises a multicolored paint containing at least two kinds of colored polymer particles. How to paint.
[11] The lightweight cellular concrete coating method according to [10], wherein the concealment ratio of the second paint is 80% or more.
本発明によれば、２回の塗布工程で隠蔽率に優れた軽量気泡コンクリート用塗料を提供することが可能となる。また、本発明によれば、２回の塗布工程で軽量気泡コンクリートへの意匠性の付与が十分にでき、隠蔽率にも優れた軽量気泡コンクリート用塗料を提供することが可能となる。また、本発明によれば、多彩感などの意匠性に優れた軽量気泡コンクリート構造体、軽量気泡コンクリート構造体の製造方法及び塗装方法を提供することができる。 According to the present invention, it is possible to provide a lightweight cellular concrete paint having an excellent concealment rate in two coating steps. In addition, according to the present invention, it is possible to provide a lightweight cellular concrete coating material that can sufficiently impart design properties to the lightweight cellular concrete in two application steps and that has an excellent concealment rate. Moreover, according to this invention, the manufacturing method of a lightweight cellular concrete structure excellent in the designability, such as a colorful feeling, a lightweight cellular concrete structure, and the coating method can be provided.
以下、本発明を実施するための形態（以下、「本実施形態」という。）について詳細に説明する。なお、本発明は、以下の実施の形態に限定されるものではなく、その要旨の範囲内で種々変形して実施できる。 Hereinafter, a mode for carrying out the present invention (hereinafter referred to as “the present embodiment”) will be described in detail. In addition, this invention is not limited to the following embodiment, It can implement by changing variously within the range of the summary.
（軽量気泡コンクリート構造体）
図１は、本実施形態の軽量気泡コンクリート構造体の層構成を示す説明図である。また、図２は本実施形態の軽量気泡コンクリート構造体１０の断面図である。
(Lightweight cellular concrete structure)
FIG. 1 is an explanatory diagram showing the layer structure of the lightweight cellular concrete structure of the present embodiment. Moreover, FIG. 2 is sectional drawing of the lightweight cellular concrete structure 10 of this embodiment.
図１及び図２に示すように、本実施形態の軽量気泡コンクリート構造体１０は、軽量気泡コンクリート１の一方の表面上に第１の層２が形成されている。また、第１の層２の表面上に第２の層３が形成されている。このように、本実施形態の軽量気泡コンクリート構造体１０は、軽量気泡コンクリート１、第１の層２、及び第２の層３の３層構造である。 As shown in FIGS. 1 and 2, in the lightweight cellular concrete structure 10 of the present embodiment, the first layer 2 is formed on one surface of the lightweight cellular concrete 1. A second layer 3 is formed on the surface of the first layer 2. As described above, the lightweight cellular concrete structure 10 of the present embodiment has a three-layer structure of the lightweight cellular concrete 1, the first layer 2, and the second layer 3.
軽量気泡コンクリート１は、内部に気泡と細孔を含む軽量気泡コンクリートであれば特に制限されるものではない。例えば、珪石や珪砂を主成分とする珪酸質原料及び石灰質原料に、水、発泡剤を添加したスラリーを発泡及び半硬化させ、得られる半硬化体をオートクレーブなどにて高温高圧水蒸気養生を行うことによって、軽量気泡コンクリート１を得ることができる。 The lightweight cellular concrete 1 is not particularly limited as long as it is a lightweight cellular concrete containing bubbles and pores therein. For example, slurry obtained by adding water and a foaming agent to siliceous materials and calcareous materials mainly composed of silica stone and silica sand are foamed and semi-cured, and the resulting semi-cured material is subjected to high-temperature and high-pressure steam curing in an autoclave or the like. Thus, the lightweight cellular concrete 1 can be obtained.
本実施形態において、軽量気泡コンクリート１は、軽量気泡コンクリートパネルであることが好ましい。 In this embodiment, it is preferable that the lightweight cellular concrete 1 is a lightweight cellular concrete panel.
第１の層２は、第１の塗料を軽量気泡コンクリート１の表面上に塗布することによって形成された層である。ここで、軽量気泡コンクリート１の表面上には気泡や細孔が含まれる場合がある。このため、第１の塗料が軽量気泡コンクリート１の気泡や細孔に浸入し、乾燥、硬化することによって、第１の層２の一部を形成していてもよい。これにより、第１の層２は、軽量気泡コンクリート１の表面上の気泡や細孔を隠蔽しやすくなる。また、軽量気泡コンクリート構造体１０の防水性も向上しやすくなる。 The first layer 2 is a layer formed by applying the first paint on the surface of the lightweight cellular concrete 1. Here, bubbles or pores may be included on the surface of the lightweight cellular concrete 1. For this reason, a part of the 1st layer 2 may be formed by the 1st coating material infiltrating into the bubble and pore of lightweight cellular concrete 1, and drying and hardening. Thereby, the 1st layer 2 becomes easy to conceal the bubble and pore on the surface of lightweight cellular concrete 1. Moreover, the waterproof property of the lightweight cellular concrete structure 10 is easily improved.
第１の層２は、厚みが２００〜１０００μｍであることが好ましく、２００〜６００μｍであることがより好ましく、３００〜４００μｍであることがさらに好ましい。 The first layer 2 preferably has a thickness of 200 to 1000 μm, more preferably 200 to 600 μm, and still more preferably 300 to 400 μm.
第２の層３は、第２の塗料を第１の層２の表面上に塗布することによって形成された層である。第２の層３の形成により、第１の層２を隠蔽しやすくなる。また、第２の塗料には多彩模様塗料が含まれることから、第２の層３の形成により多彩感等の意匠性に優れた軽量気泡コンクリート構造体１０となる（図３参照）。さらに、第２の層３の形成により、軽量気泡コンクリート構造体１０の防水性も向上しやすくなる。 The second layer 3 is a layer formed by applying the second paint on the surface of the first layer 2. Formation of the second layer 3 makes it easy to conceal the first layer 2. In addition, since the second paint contains a multicolored paint, the formation of the second layer 3 results in a lightweight cellular concrete structure 10 having excellent design properties such as multicolored feeling (see FIG. 3). Furthermore, the formation of the second layer 3 makes it easier to improve the waterproof property of the lightweight cellular concrete structure 10.
第２の層３は、厚みが３０〜４００μｍであることが好ましく、３０〜２００μｍであることがより好ましく、４０〜１００μｍであることがさらに好ましい。 The second layer 3 preferably has a thickness of 30 to 400 μm, more preferably 30 to 200 μm, and still more preferably 40 to 100 μm.
（軽量気泡コンクリート用塗料）
本実施形態において、第１の塗料及び第２の塗料は、軽量気泡コンクリート用塗料を構成する塗料である。本実施形態の軽量気泡コンクリート用塗料は、まず第１の塗料が使用され、その後に第２の塗料が使用されることによって軽量気泡コンクリートを塗装することができる塗料であり、第１の塗料及び第２の塗料が一体的に用いられるものである。
(Lightweight cellular concrete paint)
In the present embodiment, the first paint and the second paint are paints constituting the lightweight cellular concrete paint. The light-weight cellular concrete paint of the present embodiment is a paint capable of painting lightweight cellular concrete by first using the first paint and then using the second paint. The first paint and The second paint is used integrally.
第１の塗料は、下地塗料を含む塗料であれば特に制限なく用いることができる。ここで、下地塗料としては、例えば合成樹脂エマルジョン系下地調整材、セメント系下地調整材、カチオン系下地調整材などを用いることができる。 The first paint can be used without particular limitation as long as it is a paint including a base paint. Here, as the base coating, for example, a synthetic resin emulsion base conditioning material, a cement-based base conditioning material, a cationic base conditioning material, or the like can be used.
第１の塗料において、体質顔料の含有率が３０質量％を超えて７０質量％未満であることが好ましい。体質顔料の含有率が３０質量％を超えて７０質量％未満であることによって、軽量気泡コンクリート表面の細孔などを隠蔽しやすくなる。 In the first paint, the extender pigment content is preferably more than 30% by mass and less than 70% by mass. When the content of the extender pigment is more than 30% by mass and less than 70% by mass, the pores on the surface of the lightweight cellular concrete can be easily concealed.
本実施形態において、体質顔料としては、炭酸カルシウム、カオリン、クレー、タルク等が例示される。体質顔料の含有率は、３５〜６５質量％であることがより好ましく、３５〜６０質量％であることがさらに好ましく、４０〜６０質量％であることが特に好ましい。 In this embodiment, examples of the extender pigment include calcium carbonate, kaolin, clay, and talc. The content of the extender is more preferably 35 to 65% by mass, still more preferably 35 to 60% by mass, and particularly preferably 40 to 60% by mass.
第１の塗料において、着色顔料の含有率が０．１質量％以上１５質量％未満であることが好ましい。着色顔料の含有率が０．１質量％以上１５質量％未満であることによって、第２の塗料と一体感のある着色性を持たせやすくなり、第２の塗料の透けを防止しやすくなる。第１の塗料において、着色顔料の含有率が１５質量％以上であることにより、第１の塗料における体質顔料の含有量が少なくなり、鮫肌隠蔽性が悪く、第２の塗料と一体感を持ちにくくなる。また、第１の塗料において、着色顔料の含有率が０．１質量％未満であることにより、第１の塗料の透けが高くなり、シーリング目地の隠蔽が悪くなり、第２の塗料と一体感を持ちにくくなる。 In the first paint, the content of the color pigment is preferably 0.1% by mass or more and less than 15% by mass. When the content ratio of the color pigment is 0.1% by mass or more and less than 15% by mass, it becomes easy to give colorability having a sense of unity with the second paint, and it is easy to prevent the second paint from being seen through. In the first paint, the content of the colored pigment is 15% by mass or more, so that the content of the extender pigment in the first paint is reduced, the hiding skin hiding property is poor, and it has a sense of unity with the second paint. It becomes difficult. Further, when the content of the color pigment is less than 0.1% by mass in the first paint, the transparency of the first paint is increased, the sealing joint is not concealed, and the second paint has a sense of unity. It becomes difficult to hold.
本実施形態において、着色顔料としては、二酸化チタン、カーボンブラック、酸化鉄のような無機着色顔料が挙げられる。また、キナクリドン等のキナクリドン系、ピグメントレッド等のアゾ系、フタロシアニンブルー、フタロシアニングリーン等のフタロシアニン系等の有機染料も例示される。着色顔料の含有率は、１質量％以上１５質量％未満であることがより好ましく、３質量％以上１５質量％未満であることがさらに好ましく、３〜１０質量％であることが特に好ましい。 In the present embodiment, examples of the color pigment include inorganic color pigments such as titanium dioxide, carbon black, and iron oxide. Examples also include organic dyes such as quinacridone compounds such as quinacridone, azo dyes such as pigment red, and phthalocyanine dyes such as phthalocyanine blue and phthalocyanine green. The content of the color pigment is more preferably 1% by mass or more and less than 15% by mass, further preferably 3% by mass or more and less than 15% by mass, and particularly preferably 3-10% by mass.
本実施形態における第２の塗料は、少なくとも２種の着色高分子粒体を含有する塗料であって、隠蔽率が８０％以上の塗料であれば特に制限なく用いることができる。第２の塗料は、多彩模様塗料であることが好ましい。ここで、多彩模様塗料とは、液状又はゲル状の２色以上の色の粒が懸濁した塗料であり、１回の塗装で色散らし模様ができる塗料をいう。第２の塗料の隠蔽率はより好ましくは８５％以上である。なお、本発明では、第２の塗料に含まれる着色高分子粒体は、１種類であってもよい。 The second coating material in the present embodiment is a coating material containing at least two kinds of colored polymer particles, and any coating material having a concealment rate of 80% or more can be used without particular limitation. The second paint is preferably a multicolor paint. Here, the multicolored paint is a paint in which particles of two or more colors in a liquid or gel form are suspended, and refers to a paint capable of forming a disperse pattern by one application. The concealment rate of the second paint is more preferably 85% or more. In the present invention, the colored polymer particles contained in the second paint may be one type.
本実施形態においては、スプレー、ローラー、刷毛等の各種の塗装法に適する観点から、（Ｉ）水性合成樹脂エマルション、感熱ゲル化剤及び着色剤を含有する感熱ゲル化型エマルション組成物を、当該組成物がゲル化する温度以上の温度を有する水中に滴下してゲル化することにより得ることができる２種以上の着色高分子粒体（ゲル状粒子）、及び（ＩＩ）水性合成樹脂エマルション系クリヤー塗料を含有し、該２種以上の着色粒体の色調が相互に異なっている水性多彩模様塗料組成物を、多彩模様塗料として用いることが好ましい。 In the present embodiment, from the viewpoint of being suitable for various coating methods such as spray, roller, brush, etc., (I) a heat-sensitive gelled emulsion composition containing an aqueous synthetic resin emulsion, a heat-sensitive gelling agent and a colorant, Two or more types of colored polymer particles (gel-like particles) that can be obtained by dropping into water having a temperature equal to or higher than the temperature at which the composition gels, and (II) an aqueous synthetic resin emulsion system It is preferable to use a water-based multicolored paint composition containing a clear paint and the two or more kinds of colored particles having different color tones as the multicolored paint.
本実施形態で使用する感熱ゲル化型エマルション組成物は、（ｉ）水性合成樹脂エマルション、（ｉｉ）感熱ゲル化剤及び（ｉｉｉ）着色剤を含有することが好ましい。 The heat-sensitive gelling emulsion composition used in this embodiment preferably contains (i) an aqueous synthetic resin emulsion, (ii) a heat-sensitive gelling agent, and (iii) a colorant.
水性合成樹脂エマルションとしては、多彩模様塗料の分野で通常用いられているものであれば特に限定されず用いることができるが、建築物内装に用いられているエマルションであって、耐水性、耐アルカリ性及び耐候性に優れ、また、被塗物に対する付着性が良好なものが好ましい。 The water-based synthetic resin emulsion is not particularly limited as long as it is usually used in the field of multicolored paints, but is an emulsion used for building interiors, and is water-resistant and alkali-resistant. In addition, those having excellent weather resistance and good adhesion to an object to be coated are preferable.
かかる水性合成樹脂エマルションとしては、より具体的には、アクリル樹脂エマルション、シリコーン変性アクリル樹脂エマルション等が挙げられる。 More specifically, examples of the aqueous synthetic resin emulsion include an acrylic resin emulsion and a silicone-modified acrylic resin emulsion.
アクリル樹脂エマルションとしては、例えば、アクリル系モノマー、及び必要に応じてその他のモノマーを、常法に従って乳化重合して得られたエマルションを用いることができる。 As the acrylic resin emulsion, for example, an emulsion obtained by emulsion polymerization of an acrylic monomer and, if necessary, other monomers according to a conventional method can be used.
アクリル系モノマーとしては、ヒドロキシエチル（メタ）アクリレート、ヒドロキシプロピル（メタ）アクリレート、ヒドロキシブチル（メタ）アクリレート等の水酸基含有アクリル系モノマー；アクリル酸、メタクリル酸等のカルボキシル基含有アクリル系モノマー；メタクリル酸メチル、メタクリル酸エチル、メタクリル酸ｎ−ブチル、メタクリル酸イソブチル、メタクリル酸２−エチルヘキシル、メタクリル酸シクロヘキシル、メタクリル酸ラウリル、メタクリル酸ステアリル等のメタクリル酸アルキル又はシクロアルキルエステル類が挙げられる。 Examples of acrylic monomers include hydroxyl group-containing acrylic monomers such as hydroxyethyl (meth) acrylate, hydroxypropyl (meth) acrylate, and hydroxybutyl (meth) acrylate; carboxyl group-containing acrylic monomers such as acrylic acid and methacrylic acid; methacrylic acid Examples thereof include alkyl methacrylates or cycloalkyl esters such as methyl, ethyl methacrylate, n-butyl methacrylate, isobutyl methacrylate, 2-ethylhexyl methacrylate, cyclohexyl methacrylate, lauryl methacrylate and stearyl methacrylate.
アクリル系モノマーと共重合させるその他のモノマーとしては、例えば、スチレン、メチルスチレン、ビニルトルエン等の芳香族ビニルモノマー類等が使用できる。 Examples of other monomers that are copolymerized with acrylic monomers include aromatic vinyl monomers such as styrene, methylstyrene, and vinyltoluene.
シリコーン変性アクリル樹脂エマルションは、例えば、上記したようなアクリル樹脂エマルションに有機シリコーン（例えば、官能基として−ＳｉＯＣＨ３、−ＳｉＯＨを有する有機シリコーン）を添加し、アクリル樹脂と有機シリコーンを常法に従って反応させて得ることができる。 The silicone-modified acrylic resin emulsion is prepared by, for example, adding an organic silicone (for example, an organic silicone having —SiOCH 3 or —SiOH as a functional group) to the acrylic resin emulsion as described above, and reacting the acrylic resin and the organic silicone according to a conventional method. Can be obtained.
水性合成樹脂エマルションとしては、上記のようにして調製したエマルションを用いてもよく、市販の水性合成樹脂エマルションを用いてもよい。 As the aqueous synthetic resin emulsion, an emulsion prepared as described above may be used, or a commercially available aqueous synthetic resin emulsion may be used.
エマルションに含まれる合成樹脂の物性は、特に限定されるものではないが、Ｔｇが−４０〜＋６０℃のもの、特に−３０〜＋５０℃のものを用いるのが好ましい。 The physical properties of the synthetic resin contained in the emulsion are not particularly limited, but those having a Tg of −40 to + 60 ° C., particularly preferably −30 to + 50 ° C. are preferably used.
水性合成樹脂エマルションの固形分濃度は、広い範囲から適宜選択できるが、１０〜６０重量％、特に２０〜５０重量％とするのが好ましい。 The solid content concentration of the aqueous synthetic resin emulsion can be appropriately selected from a wide range, but is preferably 10 to 60% by weight, particularly preferably 20 to 50% by weight.
また、感熱ゲル化型エマルション組成物中の合成樹脂エマルションの固形分に換算した含有量は、全固形分に対して、５〜４０重量％、特に１０〜３５重量％となるような量が好ましい。 The content converted to the solid content of the synthetic resin emulsion in the heat-sensitive gelled emulsion composition is preferably 5 to 40% by weight, particularly 10 to 35% by weight, based on the total solid content. .
感熱ゲル化型エマルション組成物は、上記したような水性合成樹脂エマルションに、感熱ゲル化剤及び着色剤を混合して調製される。 The heat-sensitive gelling emulsion composition is prepared by mixing a heat-sensitive gelling agent and a colorant in the aqueous synthetic resin emulsion as described above.
感熱ゲル化剤は、室温を超える温度、好ましくは４０℃以上、より好ましくは６０℃以上、さらに好ましくは７０℃以上で上記感熱ゲル化型エマルション組成物をゲル化させ、得られたゲルが室温に下がってもゲル状態を保つようなものであれば特に限定されず、有機系のもの及び無機系のものがいずれも使用できる。 The heat-sensitive gelling agent gels the heat-sensitive gelling emulsion composition at a temperature exceeding room temperature, preferably 40 ° C. or higher, more preferably 60 ° C. or higher, and further preferably 70 ° C. or higher. It is not particularly limited as long as it keeps the gel state even if it falls down, and both organic and inorganic materials can be used.
有機感熱ゲル化剤として、例えばでんぷん及びその誘導体、ノニオン界面活性剤系である、オルガノポリシロキサンのアルキレンオキシド付加物、オルガノポリシロキサンのアルキルフェノールホルマリン縮合物、アルキルフェノール−ホルマリン縮合物のアルキレンオキサイド付加物、ポリビニルメチルエーテル、オルガノポリシロキサンポリエーテル共重合体等を挙げることができ、これらの１種を単独で又は２種以上を組み合わせて用いることができる。ノニオン界面活性剤としては、曇点が３０〜８０℃のものが好ましく用いられる。 Examples of organic heat-sensitive gelling agents include starch and derivatives thereof, nonionic surfactant system, alkylene oxide adduct of organopolysiloxane, alkylphenol formalin condensate of organopolysiloxane, alkylene oxide adduct of alkylphenol-formalin condensate, A polyvinyl methyl ether, an organopolysiloxane polyether copolymer, etc. can be mentioned, These 1 type can be used individually or in combination of 2 or more types. As the nonionic surfactant, those having a cloud point of 30 to 80 ° C. are preferably used.
有機系の感熱ゲル化剤は、水との混合物として使用することもでき、その際の混合物中の感熱ゲル化剤の濃度は１０〜１００重量％が好ましく、４０〜１００重量％がより好ましい。 The organic heat-sensitive gelling agent can also be used as a mixture with water, and the concentration of the heat-sensitive gelling agent in the mixture is preferably 10 to 100% by weight, more preferably 40 to 100% by weight.
一方、無機感熱ゲル化剤としては、例えば亜鉛化合物をアンモニア水に溶解させた溶液（以下、「亜鉛化合物のアンモニア水溶液」という場合がある。）、硝酸アンモニウム、塩化アンモニウム、炭酸ナトリウム、炭酸カリウム、硫酸ナトリウム、塩化カリウム、塩化カルシウム、硫酸カルシウム、硫酸マグネシウム、亜鉛アンモニウム錯塩、硝酸ナトリウム、硝酸鉛、酢酸ソーダ等が挙げられ、これらの１種を単独で又は２種以上を組み合わせて用いることができる。 On the other hand, as the inorganic heat-sensitive gelling agent, for example, a solution in which a zinc compound is dissolved in ammonia water (hereinafter sometimes referred to as “ammonia aqueous solution of zinc compound”), ammonium nitrate, ammonium chloride, sodium carbonate, potassium carbonate, sulfuric acid. Sodium, potassium chloride, calcium chloride, calcium sulfate, magnesium sulfate, zinc ammonium complex salt, sodium nitrate, lead nitrate, sodium acetate and the like can be mentioned, and these can be used alone or in combination of two or more.
亜鉛化合物の具体例としては、水酸化亜鉛等が挙げられる。 Specific examples of the zinc compound include zinc hydroxide.
亜鉛化合物をアンモニア水に溶解させた溶液における亜鉛化合物の濃度は、特に限定されるものではなく、５〜１５重量％、特に２〜１０重量％が好ましい。亜鉛化合物を溶解させるためのアンモニア水の濃度についても特に限定されるものではなく、５〜１０重量％が好ましい。 The concentration of the zinc compound in the solution in which the zinc compound is dissolved in aqueous ammonia is not particularly limited, and is preferably 5 to 15% by weight, particularly 2 to 10% by weight. The concentration of ammonia water for dissolving the zinc compound is not particularly limited, and is preferably 5 to 10% by weight.
これらの中でも、本実施形態で用いる感熱ゲル化剤として、オルガノポリシロキサンのアルキレンオキシド付加物，オルガノポリシロキサンのアルキルフェノールホルマリン縮合物，オルガノポリシロキサンポリエーテル共重合体等のオルガノポリシロキサン及び亜鉛化合物のアンモニア水溶液が好ましい。 Among these, as the heat-sensitive gelling agent used in the present embodiment, organopolysiloxane such as an organopolysiloxane alkylene oxide adduct, an organopolysiloxane alkylphenol formalin condensate, an organopolysiloxane polyether copolymer, etc. An aqueous ammonia solution is preferred.
得られる着色高分子粒体の硬さは感熱ゲル化型エマルション組成物中の感熱ゲル化剤の配合量に比例するので、該配合量は所望するゲル化の程度に応じて適宜設定することができる。感熱ゲル化剤の配合量（有機系感熱ゲル化剤は水との混合物の配合量、亜鉛化合物のアンモニア水溶液を用いる場合は該水溶液の配合量）は、通常、水性合成樹脂エマルション１００重量部に対して、２０〜４０重量部である。 Since the hardness of the obtained colored polymer granules is proportional to the amount of the heat-sensitive gelling agent in the heat-sensitive gelling emulsion composition, the amount can be appropriately set according to the desired degree of gelation. it can. The amount of the heat-sensitive gelling agent (the amount of the organic heat-sensitive gelling agent is the amount of the mixture with water, or the amount of the aqueous solution in the case of using an aqueous ammonia solution of zinc compound) is usually 100 parts by weight of the aqueous synthetic resin emulsion. On the other hand, it is 20-40 weight part.
着色剤としては、多彩模様塗料の分野で一般に用いられているものを使用することができる。 As the colorant, those generally used in the field of multicolored paints can be used.
例えば、二酸化チタン、カーボンブラック、酸化鉄のような無機着色顔料が挙げられる。 For example, inorganic coloring pigments such as titanium dioxide, carbon black, and iron oxide can be used.
また、キナクリドン等のキナクリドン系、ピグメントレッド等のアゾ系、フタロシアニンブルー、フタロシアニングリーン等のフタロシアニン系等の有機染料も例示される。 Examples also include organic dyes such as quinacridone compounds such as quinacridone, azo dyes such as pigment red, and phthalocyanine dyes such as phthalocyanine blue and phthalocyanine green.
本実施形態においては、着色剤としては、耐候性の点から無機顔料を用いるのが好ましい。着色剤の配合量は、特に限定されるものではないが、水性合成樹脂エマルション１００重量部に対して、通常１〜５重量部、好ましくは２〜４重量部である。 In the present embodiment, an inorganic pigment is preferably used as the colorant from the viewpoint of weather resistance. Although the compounding quantity of a coloring agent is not specifically limited, It is 1-5 weight part normally with respect to 100 weight part of aqueous synthetic resin emulsions, Preferably it is 2-4 weight part.
感熱ゲル化型エマルション組成物には、上記した成分の他に、体質顔料、分散剤、増粘剤、消泡剤等のような添加剤を必要に応じて適宜配合することができる。 In addition to the above-described components, additives such as extender pigments, dispersants, thickeners, antifoaming agents and the like can be appropriately blended in the heat-sensitive gelling emulsion composition as necessary.
体質顔料としては、炭酸カルシウム、カオリン、クレー、タルク等が例示される。分散剤としては、スルホン酸塩、リン酸塩、ケイ酸塩、ポリオキシエチレンアルキルエーテル等が例示される。増粘剤としては、メチルセルロース、ヒドロキシエチルセルロース、カルボキシメチルセルロース、ポリビニルアルコール等が例示される。消泡剤としては、シリコーン系、鉱物油系の消泡剤が例示される。 Examples of extender pigments include calcium carbonate, kaolin, clay, and talc. Examples of the dispersant include sulfonates, phosphates, silicates, polyoxyethylene alkyl ethers, and the like. Examples of the thickener include methyl cellulose, hydroxyethyl cellulose, carboxymethyl cellulose, polyvinyl alcohol and the like. Examples of the antifoaming agent include silicone-based and mineral oil-based antifoaming agents.
これら添加剤の配合量は、特に限定されるものではなく添加剤の種類に応じて適宜設定することができるが、例えば、水性合成樹脂エマルション１００重量部に対して１〜１０重量部、好ましくは２〜７重量部である。 The blending amount of these additives is not particularly limited and can be appropriately set according to the kind of the additive. For example, 1 to 10 parts by weight, preferably 100 parts by weight of the aqueous synthetic resin emulsion, 2 to 7 parts by weight.
感熱ゲル化型エマルション組成物には、さらに、粘度及び固形分濃度調整のために水を加えてもよい。 Water may be further added to the thermosensitive gelled emulsion composition to adjust the viscosity and solid content concentration.
本実施形態で用いる感熱ゲル化型エマルション組成物は、水性合成樹脂エマルションに、上記したような感熱ゲル化剤と着色剤、さらに必要に応じて上記したような添加剤を混合して調製される。かくして得られる感熱ゲル化型エマルション組成物は、固形分濃度が１０〜４０重量％であることがより好ましい。 The heat-sensitive gelling emulsion composition used in the present embodiment is prepared by mixing an aqueous synthetic resin emulsion with a heat-sensitive gelling agent and a colorant as described above, and, if necessary, additives as described above. . The heat-sensitive gelled emulsion composition thus obtained preferably has a solid content concentration of 10 to 40% by weight.
本実施形態の着色高分子粒体は、上記のようにして調製した感熱ゲル化型エマルション組成物を、当該組成物がゲル化する温度以上の温度を有する水中に滴下してゲル化することにより得ることができる。滴下は撹拌下に行うのが好ましい。 The colored polymer granules of the present embodiment are gelled by dropping the heat-sensitive gelled emulsion composition prepared as described above into water having a temperature equal to or higher than the temperature at which the composition gels. Can be obtained. The dropping is preferably performed with stirring.
水はそのまま用いてもよいし、上記に例示したような消泡剤、分散剤、増粘剤やその他の添加剤（例えば、増膜助剤等）が含まれていてもよい。以下の記載において、水そのもの又は添加剤を配合した水を“水性媒体”という。 Water may be used as it is, or an antifoaming agent, a dispersing agent, a thickening agent and other additives (for example, a film increasing aid) as exemplified above may be contained. In the following description, water itself or water containing additives is referred to as an “aqueous medium”.
水性媒体は、上記感熱ゲル化型エマルション組成物が感熱ゲル化剤によってゲル化するような温度、通常４０℃以上、好ましくは６０℃以上、より好ましくは７０℃以上に加熱しておく。温度の上限は特に限定されるものではないが、水性媒体が沸騰しない程度の温度、例えば水そのものの場合は９８℃以下が望ましい。 The aqueous medium is heated to a temperature at which the heat-sensitive gelling emulsion composition is gelled by the heat-sensitive gelling agent, usually 40 ° C. or higher, preferably 60 ° C. or higher, more preferably 70 ° C. or higher. The upper limit of the temperature is not particularly limited, but is preferably a temperature at which the aqueous medium does not boil, for example, 98 ° C. or less in the case of water itself.
感熱ゲル化型エマルション組成物（Ｃ）と水性媒体（Ｍ）の割合は、特に限定されるものではなく適宜設定することができるが、重量比で（Ｃ）：（Ｍ）＝１：１〜１：１０、特に１：１．５〜１：７が好ましい。 The ratio of the heat-sensitive gelling emulsion composition (C) and the aqueous medium (M) is not particularly limited and can be appropriately set, but is (C) :( M) = 1: 1 to 1 by weight ratio. The ratio is preferably 1:10, particularly 1: 1.5 to 1: 7.
感熱ゲル化型エマルション組成物の滴下速度は、所望の着色高分子粒体の大きさ等に応じて適宜設定することができ、水性媒体の温度が著しく下がらない程度、即ち、設定したゲル化温度以下にならないような速度であればよい。 The dropping speed of the heat-sensitive gelling emulsion composition can be appropriately set according to the size of the desired colored polymer granules, and the extent that the temperature of the aqueous medium does not drop significantly, that is, the set gelling temperature. Any speed that does not fall below is acceptable.
本方法によれば、着色高分子粒体の形状が自由に制御できる。例えば、感熱ゲル化型エマルション組成物の粘度を高くすると、球状の粒体が得られる。 According to this method, the shape of the colored polymer particles can be freely controlled. For example, when the viscosity of the thermosensitive gelled emulsion composition is increased, spherical particles can be obtained.
感熱ゲル化型エマルション組成物を板の上をはわせるように流し、水面に広げるように滴下すると、円板状にゲル化する。本実施形態の着色高分子粒体には、かかる円板状のものも含まれる。 When the heat-sensitive gelling emulsion composition is poured over the plate and dripped so as to spread over the water surface, it gels into a disk shape. The colored polymer particles of the present embodiment include such disc-shaped ones.
水性媒体の撹拌速度も、所望のゲル化粒体の大きさ等に応じて適宜設定することができるが、通常、撹拌器の回転速度として、１００〜１０００ｒｐｍである。撹拌を激しくすれば得られる着色高分子粒体は小さくなり、逆に撹拌を緩やかにすれば得られる着色高分子粒体は大きくなる。従って、所望の形状や大きさに応じて、滴下方法及び撹拌速度を調整すればよい。 Although the stirring speed of an aqueous medium can also be set suitably according to the magnitude | size etc. of a desired gelled granule, it is 100-1000 rpm normally as a rotational speed of a stirrer. If the stirring is vigorous, the obtained colored polymer particles become smaller, and conversely, if the stirring is moderated, the obtained colored polymer particles become larger. Therefore, the dropping method and the stirring speed may be adjusted according to the desired shape and size.
滴下後、水性媒体中での滞留時間は、所望の粒体が得られる限り特に限定されるものではないが、通常、２０〜９０分間、好ましくは４０〜７０分間である。 After dropping, the residence time in the aqueous medium is not particularly limited as long as the desired granules are obtained, but is usually 20 to 90 minutes, preferably 40 to 70 minutes.
また、感熱ゲル化型エマルション組成物の全量の滴下完了後、滴下時の温度を維持したまま、５〜３０分間、好ましくは１０〜２０分間撹拌を持続してもよい。 Moreover, after completion of dropping of the entire amount of the thermosensitive gelled emulsion composition, stirring may be continued for 5 to 30 minutes, preferably 10 to 20 minutes while maintaining the temperature at the time of dropping.
かくして感熱ゲル化剤により前記水性合成樹脂エマルション中の樹脂がゲル化すると共に、着色剤がゲル中に均一分散された着色高分子粒体が得られる。 Thus, the resin in the aqueous synthetic resin emulsion is gelled by the heat-sensitive gelling agent, and colored polymer particles in which the colorant is uniformly dispersed in the gel are obtained.
着色高分子粒体は、常法に従って濾過して回収することができる。また、回収する際に、所定の範囲外の粒径のものを除外してもよい。 The colored polymer particles can be collected by filtration according to a conventional method. Moreover, you may exclude the thing of the particle size outside a predetermined range, when collect | recovering.
例えば、最初に大きめの穴のあいた網で濾過して大きな粒体を取り除き、次に濾液の上澄み液を取り除き固形分１５％の粒体溶液を得て、最後に小さめの穴のあいた網で濾過を行って網上に最終目的物の粒体を得ることができる。 For example, first filter through a large perforated net to remove large particles, then remove the filtrate supernatant to obtain a 15% solids granule solution, and finally filter through a small perforated net To obtain particles of the final object on the net.
着色高分子粒体の不揮発分は、１５〜４０重量％、特に２０〜３５重量％であることが好ましい。 The nonvolatile content of the colored polymer granules is preferably 15 to 40% by weight, particularly 20 to 35% by weight.
本実施形態の少なくとも２種の着色高分子粒体は、粒径が４ｍｍ未満の第１の着色高分子粒体と、粒径が４ｍｍ以上の第２の着色高分子粒体とを含んでいる。第１の着色高分子粒体の粒径は、１ｍｍ以上４ｍｍ未満であることが好ましく、１．５ｍｍ以上４ｍｍ未満であることがより好ましく、２ｍｍ以上４ｍｍ未満であることがさらに好ましい。第２の着色高分子粒体の粒径は、４ｍｍ以上８ｍｍ以下であることが好ましく、４ｍｍ以上７ｍｍ以下であることがより好ましく、４ｍｍ以上６ｍｍ以下であることがさらに好ましい。第２の塗料において、少なくとも２種の着色高分子粒体の含有率は、６０質量％を超え８０質量％以内であることが好ましい。少なくとも２種の着色高分子粒体の含有率は、６５質量％以上８０質量％以内であることがより好ましく、７０質量％以上８０質量％以上であることがさらに好ましい。この場合、第２の塗料による隠蔽率が８０％以上を維持できる。少なくとも２種の着色高分子粒体の含有率が８０質量％を超える場合、当該着色高分子粒体が塗料に十分に分散せずに、第２の塗料による隠蔽率が８０％以上を維持できなくなる。第２の塗料において、第１の着色高分子粒体の含有率は５０質量％以上７０質量％以内であり、第２の着色高分子粒体の含有率は１０質量％以上３０質量％以内であることが好ましい。第１の着色高分子粒体と、第２の着色高分子粒体とは、互いに異なった色が付されていてもよい。また、第１の着色高分子粒体と、第２の着色高分子粒体との少なくとも一方は、複数に着色されていてもよい。すなわち、第１の着色高分子粒体と、第２の着色高分子粒体との少なくとも一方には、２色以上の色の粒が含まれていてもよい。これらの場合、第２の塗料は多彩模様塗料となり、当該第２の塗料が塗布された軽量気泡コンクリート等の意匠性が向上する。なお、本発明においては、第２の塗料に第２の着色高分子粒体が含まれなくてもよい。この場合であっても、第２の塗料の隠蔽率が８０％以上になり得る。この第１の着色高分子粒体は、単色の粒体から構成されてもよいし、複数色の粒体から構成されてもよい。 At least two kinds of colored polymer particles of the present embodiment include a first colored polymer particle having a particle size of less than 4 mm and a second colored polymer particle having a particle size of 4 mm or more. . The particle size of the first colored polymer particles is preferably 1 mm or more and less than 4 mm, more preferably 1.5 mm or more and less than 4 mm, and even more preferably 2 mm or more and less than 4 mm. The particle size of the second colored polymer particles is preferably 4 mm or more and 8 mm or less, more preferably 4 mm or more and 7 mm or less, and further preferably 4 mm or more and 6 mm or less. In the second paint, the content of at least two kinds of colored polymer particles is preferably more than 60% by mass and within 80% by mass. The content of at least two kinds of colored polymer particles is more preferably 65% by mass or more and 80% by mass or less, and further preferably 70% by mass or more and 80% by mass or more. In this case, the concealment rate by the second paint can be maintained at 80% or more. When the content of at least two kinds of colored polymer particles exceeds 80% by mass, the colored polymer particles are not sufficiently dispersed in the paint, and the concealment rate by the second paint can be maintained at 80% or more. Disappear. In the second paint, the content of the first colored polymer particles is 50% by mass to 70% by mass, and the content of the second colored polymer particles is 10% by mass to 30% by mass. Preferably there is. The first colored polymer particles and the second colored polymer particles may be given different colors. In addition, at least one of the first colored polymer particles and the second colored polymer particles may be colored in plural. That is, at least one of the first colored polymer particles and the second colored polymer particles may contain particles of two or more colors. In these cases, the second paint becomes a multicolored paint, and the design properties of lightweight cellular concrete to which the second paint is applied are improved. In the present invention, the second colored polymer particles may not be included in the second paint. Even in this case, the concealment rate of the second paint can be 80% or more. The first colored polymer particles may be composed of single color particles or a plurality of color particles.
粒体の厚さ及び外径は、無作為に選んだ粒体を顕微鏡などで観察して求めることができる。例えば、得られた粒体を水性合成樹脂エマルション系クリヤー塗料と１：１０（重量）の割合で混合し、約１０ｃｍ２のＡＢＳ板に流し塗りをし、乾燥後、顕微鏡にて外径を観測し、求めることができる。粒体の厚さは、例えば、前記塗膜を切断し、切断面を顕微鏡にて観察して粒体の厚さを観測することにより求めることができる。ここで“外径”とは、真円形であれば直径を、楕円形であれば長径を、不定形であれば最も長い径を意味する。 The thickness and outer diameter of the granules can be determined by observing randomly selected granules with a microscope or the like. For example, the obtained granules are mixed with an aqueous synthetic resin emulsion-based clear paint at a ratio of 1:10 (weight), cast on an ABS plate of about 10 cm 2 , dried, and then observed with a microscope. And can be sought. The thickness of the granules can be determined, for example, by cutting the coating film, observing the cut surface with a microscope, and observing the thickness of the granules. Here, the “outer diameter” means the diameter if it is a perfect circle, the long diameter if it is elliptical, and the longest diameter if it is indefinite.
ゲルの硬度は、広い範囲で自由に調整することができ、使用目的に応じて、ゲル化剤の種類や使用量を調整し、最適な硬さを得ることができる。 The hardness of the gel can be adjusted freely within a wide range, and the type and amount of gelling agent can be adjusted according to the purpose of use to obtain the optimum hardness.
例えば、ゲルの硬さとしては、ミキサーなどの機械的撹拌では粉砕しないような柔らかさ；刷毛又はローラーでの塗装の際に粒子の変形が少ない、即ち刷毛又はローラー塗りにおける一方向的な粒子の変形がない柔らかさ；スプレーガンの口径に引っかからない程度の柔らかさ；得られる塗装面のざらつきがない程度の柔らかさ；というような条件を満たすような程度であることが好ましい。 For example, the hardness of the gel is such that it is not pulverized by mechanical stirring such as a mixer; there is little deformation of the particles during painting with a brush or roller, that is, unidirectional particles in the brush or roller coating. It is preferable to satisfy the following conditions: softness without deformation; softness that does not catch on the diameter of the spray gun; softness that does not cause roughness of the resulting painted surface.
かくして得られた着色高分子粒体であって、相互に色調の異なるものの２種以上を、水性合成樹脂エマルション系クリヤー塗料に配合し、本実施形態の水性多彩模様塗料組成物を得ることができる。 Two or more kinds of the colored polymer particles obtained in this manner and having different color tones can be blended in the aqueous synthetic resin emulsion-based clear paint to obtain the aqueous multicolor pattern paint composition of this embodiment. .
ゲル状の着色高分子流体の組成や製造方法については、上記に限定されず、種々の公知技術によって得られたものであってもよい。 The composition and manufacturing method of the gel-like colored polymer fluid are not limited to the above, and may be obtained by various known techniques.
この場合、透明のクリヤー塗料だけでなく色の付いたカラークリヤー塗料（例えば、着色顔料、アルミフレーク、パール顔料を含むクリヤー塗料）に着色高分子粒体を配合してもよい。 In this case, the colored polymer particles may be blended not only with the transparent clear paint but also with a colored clear paint (for example, a clear paint containing colored pigments, aluminum flakes and pearl pigments).
水性合成樹脂エマルション系クリヤー塗料としては、多彩模様塗料の分野で着色剤を配合するために通常用いられているようなクリヤー塗料を用いることができる。 As the water-based synthetic resin emulsion-based clear paint, a clear paint which is usually used for blending a colorant in the field of multi-pattern paints can be used.
例えば、上記した感熱ゲル化型エマルション組成物を調製するために用いられる水性合成樹脂エマルション、即ち、アクリル樹脂エマルション、シリコーン変性アクリル樹脂エマルション等を含むクリヤー塗料、その他にも、酢酸ビニル樹脂エマルション、ウレタン樹脂エマルション、アルキド樹脂エマルションを含むクリヤー塗料を用いることができる。 For example, an aqueous synthetic resin emulsion used for preparing the above-mentioned heat-sensitive gelled emulsion composition, that is, a clear paint containing an acrylic resin emulsion, a silicone-modified acrylic resin emulsion, etc., in addition to a vinyl acetate resin emulsion, urethane A clear paint containing a resin emulsion or an alkyd resin emulsion can be used.
該クリヤー塗料は常法に従って製造してもよいし、市販のものを使用してもよい。 The clear paint may be produced according to a conventional method, or a commercially available one may be used.
着色高分子粒体の配合量は適宜設定することができるが、多彩模様塗料組成物の全量に基づいて、１〜５０重量％、好ましくは５〜４５重量％とするのが好ましい。配合量が上記上限値以下であると十分なクリヤー塗膜が形成されやすく、また、配合量が上記下限値以上であると特に優れた多彩感の意匠の塗膜が得られるので好ましい。 The blending amount of the colored polymer particles can be appropriately set, but is preferably 1 to 50% by weight, preferably 5 to 45% by weight, based on the total amount of the multicolored paint composition. When the blending amount is not more than the above upper limit value, a sufficient clear coating film is easily formed, and when the blending amount is not less than the above lower limit value, it is possible to obtain a coating film having a particularly excellent multicolored design.
本実施形態の水性多彩模様塗料組成物は、通常の塗装法、例えば、刷毛、ローラー、スプレーガン塗装等により塗装することができる。 The aqueous colorful pattern coating composition of the present embodiment can be applied by a normal coating method such as brush, roller, spray gun coating or the like.
本実施形態の水性多彩模様塗料組成物は、有機溶媒を用いていないため、塗装時の臭気もなく、溶媒による大気汚染のおそれもない。また、本実施形態の組成物は水性であるが、塗装後、短時間で乾燥できる。さらに、本実施形態の多彩模様塗料組成物によれば、刷毛、ローラー、スプレーガン塗装のいずれの塗装法でも、１回の塗装により塗膜が平滑で良好な外観の色散らし模様が得られる。感熱ゲル化剤を用いて得られた高分子着色粒体を多彩模様塗料組成物に配合すると、ミキサーなどの機械的撹拌では着色高分子粒体が粉砕せず、機械的撹拌に対する安定性が優れている。また、該多彩模様塗料組成物は刷毛又はローラー塗りにおける一方向的な粒子の変形がなく、仕上がり外観に優れている。 Since the aqueous colorful pattern coating composition of this embodiment does not use an organic solvent, there is no odor at the time of painting, and there is no fear of air pollution by the solvent. Moreover, although the composition of this embodiment is aqueous, it can be dried in a short time after coating. Furthermore, according to the multicolor pattern coating composition of the present embodiment, a color-scattering pattern having a smooth coating film and a good appearance can be obtained by a single coating, regardless of the painting method of brush, roller, or spray gun. When polymer-colored particles obtained using a heat-sensitive gelling agent are blended into a multi-color paint composition, the colored polymer particles are not crushed by mechanical stirring such as a mixer, and the stability to mechanical stirring is excellent. ing. Further, the multicolor pattern coating composition has no unidirectional particle deformation in brush or roller coating, and is excellent in finished appearance.
（軽量気泡コンクリート構造体の製造方法）
本実施形態の軽量気泡コンクリート構造体の製造方法は、軽量気泡コンクリートの表面上に、第１の塗料を塗布し、第１の層を形成する第１の工程と、第１の層の表面上に、第２の塗料を塗布し、第２の層を形成する第２の工程と、を備える。
(Method for producing lightweight cellular concrete structure)
The method of manufacturing the lightweight cellular concrete structure of the present embodiment includes a first step of applying a first paint on the surface of the lightweight cellular concrete to form a first layer, and a surface of the first layer. And a second step of applying a second paint and forming a second layer.
本実施形態の製造方法において、第１の塗料及び第２の塗料は、刷毛、ローラー、スプレーガン塗装等の通常の方法により、塗布することができる。 In the manufacturing method of the present embodiment, the first paint and the second paint can be applied by an ordinary method such as brush, roller, spray gun painting or the like.
第１の工程においては、軽量気泡コンクリートの表面上の気泡やザラ目、細孔等を重点するために、例えば、下塗塗料を含む第１の塗料を所要量（例えば０．９〜１．１ｋｇ／ｍ２）、万能ガンで吹き付け、防水性と仕上げの良好な状態を確保することが好ましい。 In the first step, for example, a required amount of the first paint including an undercoat paint (for example, 0.9 to 1.1 kg) is used in order to emphasize bubbles, rough eyes, pores, etc. on the surface of the lightweight cellular concrete. / M 2 ), and spraying with a universal gun, it is preferable to ensure a good state of waterproofness and finish.
さらに、第１の工程においては上記吹き付け後、例えば５分以内に、ローラーや補助的に刷毛を用いて塗装面全体のしごき塗装（吹付だけでは十分でないザラ目や気泡を埋めると同時に余分な塗料をかきとる作業）を行うことが好ましい。 Furthermore, in the first step, for example, within 5 minutes after spraying, the entire painted surface is ironed using, for example, a roller or an auxiliary brush. It is preferable to perform a scraping operation.
第２の工程においては、上記第１の工程後に第１の塗料が乾燥し形成された第１の層の乾燥状態を確認することが好ましい。具体的には、第１の層の塗膜に指で触れて、ずれないかを確認すればよい。 In the second step, it is preferable to confirm the dry state of the first layer formed by drying the first paint after the first step. Specifically, the finger may touch the coating film of the first layer to confirm whether or not there is a shift.
次に、第２の工程においては、第１の層の表面上に第２の塗料を塗布し、第２の層を形成する。例えば、多彩模様塗料を含む第２の塗料を所要量（例えば０．３５〜０．４５ｋｇ／ｍ２）、万能ガンで塗付量が均一になるように吹き付けることが好ましい。これにより、第２の層として、装飾性の高い壁面意匠を第１の層上に形成することができる。 Next, in the second step, the second paint is applied on the surface of the first layer to form the second layer. For example, it is preferable to spray the second coating material containing the multicolored coating material in a required amount (for example, 0.35 to 0.45 kg / m 2 ) and using a universal gun so that the coating amount is uniform. Thereby, a highly decorative wall surface design can be formed on the first layer as the second layer.
第２の工程後、乾燥時間は、例えば２３℃環境下で２４時間以上が好ましい。 After the second step, the drying time is preferably 24 hours or longer in a 23 ° C. environment, for example.
（軽量気泡コンクリートの塗装方法）
本実施形態においては、軽量気泡コンクリートの表面上に、第１の塗料を塗布する工程と、第１の塗料により形成された第１の層の表面上に、第２の塗料を塗布する工程と、を備える、軽量気泡コンクリートの塗装方法を提供することもできる。
(Painting method of lightweight cellular concrete)
In the present embodiment, a step of applying the first paint on the surface of the lightweight cellular concrete, a step of applying the second paint on the surface of the first layer formed by the first paint, It is also possible to provide a method for painting lightweight cellular concrete.
以下、実施例に従って本発明を更に詳細に説明するが、本発明はこれらに限定されるものではない。 EXAMPLES Hereinafter, although this invention is demonstrated further in detail according to an Example, this invention is not limited to these.
実施例及び比較例で用いた原料は下記のとおりである。
ゲル状粒子（小白）：水５００質量部、乳化安定剤２５質量部、分散剤２５質量部、増粘剤２５質量部、増粘助剤５０質量部、消泡剤３質量部を配合して水性媒体を調製した。また、アクリル樹脂エマルジョン１００質量部、感熱ゲル化剤３０質量部、水２００質量部、白色顔料２．５質量部、増粘剤２質量部、消泡剤３質量部を配合して得られ感熱ゲル化エマルジョン組成物を調製した。次に、水性媒体を７０℃で加熱し、撹拌速度５００ｒｐｍで攪拌しながら、感熱ゲル化エマルジョン組成物を６０分かけて滴下した。滴下終了後、１０分間７０℃に保つように加熱しながら攪拌を続け、加熱を終了してから３０分後に攪拌を停止し、放冷した。その後、８メッシュの網でろ過し、着色高分子粒体であるゲル状粒子（小白）を得た。光学顕微鏡で無作為に選び観察したところ、粒径は２〜４ｍｍであった。
ゲル状粒子（大白）：撹拌速度５００ｒｐｍの点以外はゲル状粒子（小白）と同様にし、ゲル状粒子（大白）を得た。粒径は４〜６ｍｍであった。
ゲル状粒子（小黒）：白色顔料の代わりに黒色顔料を２．５質量部用いる以外はゲル状粒子（小白）と同様にし、ゲル状粒子（小黒）を得た。粒径は２〜４ｍｍであった。
ゲル状粒子（小グレー）：白色顔料と黒色顔料を１：１の割合で計２．５質量部用いる以外はゲル状粒子（小白）と同様にし、ゲル状粒子（小グレー）を得た。粒径は２〜４ｍｍであった。
ゲル状粒子（大グレー）：撹拌速度５００ｒｐｍで、白色顔料と黒色顔料を１：１の割合で計２．５質量部用いる以外はゲル状粒子（小白）と同様にし、ゲル状粒子（大グレー）を得た。粒径は４〜６ｍｍであった。
ゲル状粒子（大黒）：撹拌速度５００ｒｐｍで、白色顔料の代わりに黒色顔料を２．５質量部用いる以外はゲル状粒子（小白）と同様にし、ゲル状粒子（大黒）を得た。粒径は４〜６ｍｍであった。
乾式チップ（小白）：白色の粉砕したリンペン状塗膜。
乾式チップ（小黒）：黒色の粉砕したリンペン状塗膜。
乾式チップ（小グレー）：グレー色の粉砕したリンペン状塗膜。
クリヤー：樹脂を２０重量部、造膜助剤を２重量部配合しクリヤーを調整した。
グランロック下塗ホワイト：樹脂を２０重量部、体質顔料を６０重量部、着色顔料を３重量部配合しグランロック下塗ホワイトを調整した。
グランロック下塗クリヤー：樹脂を２０重量部、体質顔料を６０重量部配合し、グランロック下塗クリヤーを調整した。
プリティアン下塗：樹脂を４０重量部、体質顔料を３０重量部、着色顔料を１０重量部配合しプリティアン下塗を調整した。
カラーバインダー（ＴＬ）ホワイト：樹脂を４０重量部、体質顔料を７重量部、着色顔料を１５重量部配合しカラーバインダー（ＴＬ）ホワイトを調整した。
イベリアン下塗：樹脂を２０重量部、体質顔料を６０重量部、着色顔料を１重量部配合しイベリアン下塗を調整した。
着色顔料：リオファーストホワイトＳＦ６１０。
体質顔料：炭酸カルシウムＫ−１。
The raw materials used in the examples and comparative examples are as follows.
Gel particles (small white): 500 parts by weight of water, 25 parts by weight of an emulsion stabilizer, 25 parts by weight of a dispersant, 25 parts by weight of a thickener, 50 parts by weight of a thickening aid, 3 parts by weight of an antifoaming agent An aqueous medium was prepared. Further, it is obtained by blending 100 parts by mass of an acrylic resin emulsion, 30 parts by mass of a thermosensitive gelling agent, 200 parts by mass of water, 2.5 parts by mass of a white pigment, 2 parts by mass of a thickener, and 3 parts by mass of an antifoaming agent. A gelled emulsion composition was prepared. Next, the heat-sensitive gelled emulsion composition was dropped over 60 minutes while heating the aqueous medium at 70 ° C. and stirring at a stirring speed of 500 rpm. Stirring was continued while heating so that the temperature was maintained at 70 ° C. for 10 minutes after the completion of dropping, and stirring was stopped 30 minutes after the heating was completed and the mixture was allowed to cool. Then, it filtered with the mesh of 8 meshes and obtained the gel-like particle (small white) which is a coloring polymer particle. When randomly selected and observed with an optical microscope, the particle size was 2 to 4 mm.
Gel-like particles (large white): Gel-like particles (large white) were obtained in the same manner as the gel-like particles (small white) except that the stirring speed was 500 rpm. The particle size was 4-6 mm.
Gel-like particles (small black): Gel-like particles (small black) were obtained in the same manner as gel-like particles (small white) except that 2.5 parts by mass of black pigment was used instead of white pigment. The particle size was 2-4 mm.
Gel-like particles (small gray): Gel particles (small gray) were obtained in the same manner as gel-like particles (small white) except that 2.5 parts by mass of white pigment and black pigment were used in a ratio of 1: 1. . The particle size was 2-4 mm.
Gel-like particles (large gray): Gel particles (large white) are the same as gel-like particles (small white) except that 2.5 parts by weight of white pigment and black pigment are used in a ratio of 1: 1 at a stirring speed of 500 rpm. Gray). The particle size was 4-6 mm.
Gel-like particles (large black): Gel particles (large black) were obtained in the same manner as gel-like particles (small white) except that 2.5 parts by mass of black pigment was used instead of white pigment at a stirring speed of 500 rpm. The particle size was 4-6 mm.
Dry tip (small white): white pulverized limpen-like coating film.
Dry tip (small black): Black pulverized limpen-like coating film.
Dry tip (small gray): Gray crushed limpen-like coating film.
Clear: 20 parts by weight of resin and 2 parts by weight of a film-forming aid were blended to prepare a clear.
Granlock undercoat white: 20 parts by weight of resin, 60 parts by weight of extender pigment, and 3 parts by weight of color pigment were blended to prepare a Granlock undercoat white.
Granlock undercoat clear: 20 parts by weight of resin and 60 parts by weight of extender pigment were blended to prepare a Granlock undercoat clear.
Pretian undercoat: 40 parts by weight of resin, 30 parts by weight of extender pigment, and 10 parts by weight of color pigment were blended to prepare a Prettynian undercoat.
Color binder (TL) white: 40 parts by weight of resin, 7 parts by weight of extender pigment, and 15 parts by weight of color pigment were blended to prepare color binder (TL) white.
Iberian primer: 20 parts by weight of resin, 60 parts by weight of extender pigment, and 1 part by weight of color pigment were blended to prepare an Iberian primer.
Coloring pigment: Rio First White SF610.
Extender pigment: calcium carbonate K-1.
本実施例で用いた評価項目及びその評価方法は下記のとおりである。
（隠蔽率）
隠蔽率は、塗料が下地の色の差を覆い隠す度合を示し、以下の式で算出できる。なお、Ｌ値は明度を指す。
隠蔽率（％）＝（ΔＬ１−ΔＬ２）／ΔＬ１×１００
ΔＬ１：黒と白とに塗り分けて作った下地の黒白部分のΔＬ値
ΔＬ２：黒と白とに塗り分けて作った下地の上に塗装した場合の黒白部分のΔＬ値
（多彩感）
軽量気泡コンクリート構造体の多彩感について評価を行った。具体的には、評価対象から３０ｃｍ、２ｍ、５ｍの三段階で多彩模様が認識できるか否かの検査を行い、いずれの距離からも多彩模様が明確に認識できる軽量気泡コンクリート構造体は、多彩感があり意匠性、装飾性の高いものと判定した。
（シーリング目地隠蔽性）
マンセル値Ｎ−６相当シーリング目地と、軽量気泡コンクリートとのそれぞれに第１の塗料を吹き付け後ローラーにてしごき塗装し、乾燥させた。乾燥後の第１塗料上に第２の塗料を塗装乾燥させた。第２塗料を塗装した後の軽量気泡コンクリート上のＬ値と、シーリング目地上のＬ値との差が１以下であるか否かを確認した。
○：軽量気泡コンクリート上のＬ値と、シーリング目地上のＬ値との差が１以下
×：軽量気泡コンクリート上のＬ値と、シーリング目地上のＬ値との差が１より大きい
（鮫肌隠蔽性）
軽量気泡コンクリート表面の一部をサンドペーパー＃１００で削ることによって鮫肌を平坦化し、軽量気泡コンクリートの当該表面上に第１塗料を塗装乾燥させた後に、乾燥後の第１塗料上に第２の塗料を塗装乾燥させた。第２の塗料が塗装された軽量気泡コンクリートの表面において、サンドペーパー＃１００で削られた部分とそれ以外の部分との間に、外観に差があるか否かを確認した。
○：サンドペーパー＃１００で削られた部分とそれ以外の部分との間に、外観に差がない
×：サンドペーパー＃１００で削られた部分とそれ以外の部分との間に、外観に差がある
（０．５ｋｇ／ｍ２ シーリング目地隠蔽性）
０．５ｋｇ／ｍ２の塗布量で塗装を行い、マンセル値Ｎ−６相当シーリング目地と、軽量気泡コンクリートとのそれぞれに第１の塗料を吹き付け後ローラーにてしごき塗装し、乾燥させた。乾燥後の第１塗料上に第２の塗料を塗装乾燥させた。第２塗料を塗装した後の軽量気泡コンクリート上のＬ値と、シーリング目地上のＬ値との差が１以下であるか否かを確認した。
○：軽量気泡コンクリート上のＬ値と、シーリング目地上のＬ値との差が１以下
×：軽量気泡コンクリート上のＬ値と、シーリング目地上のＬ値との差が１より大きい
Evaluation items and evaluation methods used in this example are as follows.
(Concealment rate)
The concealment rate indicates the degree to which the paint covers the difference in the background color, and can be calculated by the following equation. Note that the L value indicates brightness.
Concealment rate (%) = (ΔL1−ΔL2) / ΔL1 × 100
ΔL1: ΔL value of the black-and-white part of the base made by painting in black and white ΔL2: ΔL value of the black-and-white part when painted on the base made by painting in black and white (various feeling)
The versatility of lightweight cellular concrete structure was evaluated. Specifically, the lightweight cellular concrete structure that can clearly recognize the multi-colored pattern from any distance is tested by checking whether the multi-colored pattern can be recognized in three stages of 30cm, 2m, and 5m from the evaluation target. There was a feeling and it was determined that the design and decoration were high.
(Sealing joint concealment)
The first paint was sprayed on each of the Munsell value N-6 equivalent sealing joint and the lightweight cellular concrete, and then ironed with a roller and dried. The second paint was applied and dried on the dried first paint. It was confirmed whether or not the difference between the L value on the lightweight cellular concrete after the second paint was applied and the L value on the sealing joint was 1 or less.
○: The difference between the L value on the lightweight cellular concrete and the L value on the ceiling joint is 1 or less ×: The difference between the L value on the lightweight cellular concrete and the L value on the ceiling joint is greater than 1 (the hiding skin) sex)
A portion of the surface of the lightweight cellular concrete is ground with sandpaper # 100 to flatten the skin, and after the first coating is applied and dried on the surface of the lightweight cellular concrete, the second coating is applied on the dried first coating. The paint was applied and dried. On the surface of the lightweight cellular concrete coated with the second paint, it was confirmed whether or not there was a difference in appearance between the part scraped with the sandpaper # 100 and the other part.
○: There is no difference in appearance between the portion scraped with sandpaper # 100 and the other portions ×: Difference in appearance between the portion scraped with sandpaper # 100 and the other portions is (0.5 kg / m 2 sealing joint concealing property)
The coating was performed at a coating amount of 0.5 kg / m 2 , the first coating was sprayed on each of the Munsell value N-6 equivalent sealing joint and the lightweight cellular concrete, and then ironed with a roller and dried. The second paint was applied and dried on the dried first paint. It was confirmed whether or not the difference between the L value on the lightweight cellular concrete after the second paint was applied and the L value on the sealing joint was 1 or less.
○: The difference between the L value on the lightweight cellular concrete and the L value on the ceiling joint is 1 or less ×: The difference between the L value on the lightweight cellular concrete and the L value on the ceiling joint is greater than 1
表１〜３のとおり、実施例１〜６、比較例１〜１０の塗料を配合し、隠蔽率を測定した。 As shown in Tables 1 to 3, the paints of Examples 1 to 6 and Comparative Examples 1 to 10 were blended, and the concealment rate was measured.
表４のとおり、実施例１１〜１３、比較例１１〜１３の塗料を配合し、多彩感の評価を行った。 As shown in Table 4, the paints of Examples 11 to 13 and Comparative Examples 11 to 13 were blended to evaluate the colorful feeling.
表５、６のとおり、参照例１〜１０の塗料を配合し、シーリング目地隠蔽性、鮫肌隠蔽性の評価を行った。 As shown in Tables 5 and 6, the paints of Reference Examples 1 to 10 were blended, and the sealing joint hiding property and hull skin hiding property were evaluated.
表７、８のとおり、参照例１１〜１９の塗料を配合し、０．５ｋｇ／ｍ２シーリング目地隠蔽性、ＡＬＣ鮫肌隠蔽性の評価を行った。 As shown in Tables 7 and 8, the paints of Reference Examples 11 to 19 were blended, and 0.5 kg / m 2 sealing joint hiding property and ALC hull hiding property were evaluated.
１…軽量気泡コンクリート、２…第１の層、３…第２の層、４…第１のゲル状粒子、５…第２のゲル状粒子、１０…軽量気泡コンクリート構造体。 DESCRIPTION OF SYMBOLS 1 ... Lightweight cellular concrete, 2 ... 1st layer, 3 ... 2nd layer, 4 ... 1st gel-like particle, 5 ... 2nd gel-like particle, 10 ... Lightweight cellular concrete structure.
Claims (11)
前記第１の塗料が下地塗料を含み、前記第２の塗料が着色高分子粒体を含有し、
前記第２の塗料の隠蔽率が８０％以上である、軽量気泡コンクリート用塗料。 A lightweight cellular concrete paint comprising a first paint and a second paint,
The first paint contains a base paint, the second paint contains colored polymer particles,
A lightweight cellular concrete paint, wherein the concealment ratio of the second paint is 80% or more.
前記第１の塗料が下地塗料を含み、前記第２の塗料が少なくとも２種の着色高分子粒体を含有する多彩模様塗料を含み、
前記第２の塗料の隠蔽率が８０％以上である、軽量気泡コンクリート用塗料。 A lightweight cellular concrete paint comprising a first paint and a second paint,
The first paint includes a base paint, and the second paint includes a multicolored paint containing at least two colored polymer particles;
A lightweight cellular concrete paint, wherein the concealment ratio of the second paint is 80% or more.
前記第１の塗料が下地塗料を含み、前記第２の塗料が少なくとも２種の着色高分子粒体を含有する多彩模様塗料を含む、軽量気泡コンクリート構造体。 A lightweight cellular concrete, a first layer formed on a surface of the lightweight cellular concrete by a first paint, and a second layer formed on a surface of the first layer by a second paint; With
A lightweight cellular concrete structure, wherein the first paint includes a base paint, and the second paint includes a multicolored paint containing at least two kinds of colored polymer particles.
前記軽量気泡コンクリートの表面上に、第１の塗料を塗布し、前記第１の層を形成する第１の工程と、
前記第１の層の表面上に、第２の塗料を塗布し、前記第２の層を形成する第２の工程と、を備え、
前記第１の塗料が下地塗料を含み、前記第２の塗料が少なくとも２種の着色高分子粒体を含有する多彩模様塗料を含む、軽量気泡コンクリート構造体の製造方法。 A method for producing a lightweight cellular concrete structure comprising a lightweight cellular concrete, a first layer and a second layer,
A first step of applying a first paint on the surface of the lightweight cellular concrete to form the first layer;
Applying a second paint on the surface of the first layer to form the second layer, and
A method for producing a lightweight cellular concrete structure, wherein the first paint includes a base paint, and the second paint includes a multicolored paint containing at least two kinds of colored polymer particles.
前記軽量気泡コンクリートの表面上に、第１の塗料を塗布する工程と、
前記第１の塗料により形成された第１の層の表面上に、第２の塗料を塗布する工程と、を備え、
前記第１の塗料が下地塗料を含み、前記第２の塗料が少なくとも２種の着色高分子粒体を含有する多彩模様塗料を含む、軽量気泡コンクリートの塗装方法。 A painting method for painting lightweight cellular concrete,
Applying a first paint on the surface of the lightweight cellular concrete;
Applying a second paint on the surface of the first layer formed by the first paint,
A method for painting lightweight cellular concrete, wherein the first paint includes a base paint, and the second paint includes a multicolored paint containing at least two kinds of colored polymer particles.
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